package com.example.chapter04;

/**
 * 9.字符串作为选择器
 * @date 2024/4/29
 */
public class StringSwitch {
    public static void main(String[] args) {
        String color = "red";
        //旧方式：使用if-else
        if ("red".equals(color)) {
            System.out.println("RED*");
        } else if ("green".equals(color)) {
            System.out.println("GREEN");
        } else if ("blue".equals(color)) {
            System.out.println("BLUE");
        } else if ("yellow".equals(color)) {
            System.out.println("YELLOW");
        } else {
            System.out.println("Unknown");
        }
        //新方式：在switch中使用字苻串
        switch (color) {
            case "red":
                System.out.println("RED");
                break;
            case "green":
                System.out.println("GREEN");
                break;
            case "blue":
                System.out.println("BLUE");
                break;
            case "yellow":
                System.out.println("YELLOW");
                break;
            default:
                System.out.println("Unknown");
                break;
        }
    }
}
